Differential Pressure Switches

VD-Series Pneumatic Differential Pressure Switch
The Ashcroft® VD pneumatic differential pressure switch was designed for use with harsh applications where uncompromising protection is required
Enclosure | Function | Ranges |
---|---|---|
Watertight epoxy coated aluminum IP65 | Single setpoint, 5/2 way pneumatic valve (supply pressure 1 to 3 bar or 2 to 10 bar) | 75 mbar thru 28 bar dp |


PD-Series NEMA 7 Differential Pressure Switch
The Ashcroft® PD differential pressure switch was designed for use with harsh applications where uncompromising protection is required.
Enclosure | Function | Ranges |
---|---|---|
Watertight epoxy coated aluminum explosion proof IP66, NEMA 7/9 | Single set point, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoing, fixed deadband (2) SPDT contacts | 75 mbar thru 28 bar dp |





LD-Series NEMA 4 Differential Pressure Switch
The Ashcroft® LD differential pressure switch is used on applications requiring high reliability, safety and accuracy.
Enclosure | Function | Ranges |
---|---|---|
Watertight epoxy coated aluminum IP66, NEMA 4, 4X | Single setpoint, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband, (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoint, fixed deadband, (2) SPDT contacts | 75 mbar thru 28 bar dp |




GD-Series NEMA 4 Differential Pressure Switch
The Ashcroft® GD differential pressure switch is used on tough applications requiring a 316L SS enclosure.
Enclosure | Function | Ranges |
---|---|---|
Watertight 316 Stainless Steel IP65, NEMA 4, 4X | Single setpoint, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoint, fixed deadbanc (2) SPDT contacts | 75 mbar thru 28 bar dp |









D-Series NEMA 7/9 Differential Pressure Switch
The Ashcroft® D7 NEMA 7/9 differential pressure switch is designed for applications requiring safety, reliability and long-cycle life.
Enclosure | Function | Ranges |
---|---|---|
IP66, Explosion proof, NEMA 7/9, ATEX, IEC Ex | Single setpoint, fixed deadband, SPDT (or) single setpoint, fixed deadband, (2) SPDT (DPDT action) | 75 mbar thru 42 bar dp |







D-Series NEMA 4X Differential Pressure Switch
The Ashcroft® D4 Differential Pressure switch is designed for use on most applications requiring reliability and long-cycle life.
Enclosure | Function | Ranges |
---|---|---|
IP66, Watertight epoxy coated aluminum NEMA 4, 4X | single setpoint, fixed deadband, SPDT (or) single setpoint, fixed deadband, (2) SPDT (DPDT action) | 75 mbar thru 42 bar dp |